book Maths Puzzle Numerical Ability

how do you factor?

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book Other Question

what is the answers to these problems????
y=3x
x+y=12

m=5n
3m-2n=26

x+y=3
2x-y=6 Please answer this one please Linda has some dimes nickels and quarters in her purse. The total value of these coins is $2.55. She has three times as many dimes as quaters. She has three more nickels than quarters